Locate the specific testpoint pin (usually a small gold pad near the boot IC).
“I bought a cheap used E8372h-320 from eBay. It was locked to ‘Three UK’ or ‘T-Mobile Poland’. I want to use my local SIM. I found tutorials mentioning ‘unlock firmware’ — but they confuse SIM unlock with generic firmware. Now I’m trying to understand the correct sequence: unlock first (using code or paid service), then optionally flash generic firmware. I also hope the custom firmware might fix the broken SMS page or allow me to lock to 4G only.”
You now have a fully unlocked, OpenWrt-powered E8372h-320. Enjoy full control over your LTE connection. e8372h320 unlock firmware install
The exact you are seeing on your screen.
Once the computer detects the device in download mode, you can push the new unlock firmware to the hardware. Locate the specific testpoint pin (usually a small
: Use a tool like E8372_switch_mode or similar utility to force the modem into serial/COM port mode.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. I want to use my local SIM
Install tool